update travis

Author: gr0uch

.travis.yml

@@ -3,7 +3,7 @@ sudo: false
 language: node_js
 
 addons:
-  postgresql: "10.5"
+  postgresql: "9.6"
 
 # before_script:
 #   - psql -c 'create database fortune_test;' -U postgres

test/index.js

@@ -3,6 +3,7 @@ const adapter = require('../lib')
 
 testAdapter(adapter, {
   url: 'postgres://postgres@localhost:5432/fortune_test',
+  isNative: true,
   primaryKeyType: 'integer',
   useForeignKeys: true,
   // isNative: true,